When first mentioned back in February, Nintendo was said to be working on Oni Tore, or "Demon Training"—a quiz that tested the ability to work on problems from memory. During the Nintendo Direct showcase on Friday, the company offered a look at one of its minigames in action, Oni Keisan, or "Demon Calculation."

For years, hardline Christians have been calling Pokémon evil. One questionable individual even called the character "Oriental demons".

If you thought Brain Age was easy, get ready for Nintendo's new spin on the series: Oni Tore (鬼トレ) or "Demon Training".